A Guide to Some Possible Bird Species Splits in Costa Rica
10,000 Birds
MARCH 21, 2015
These and several other species might end up being armchair ticks if and when we take a closer look at their evolutionary history. This bunch of possible Costa Rican crypto birds can be grouped into four main categories: (1). A species that lives in both Costa Rica and South America but might be two separate species. (3).
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